Diff Report
Run #519c03b86b1ec: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c04ab45451: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for class_exists

class_existsRun #519c03b86b1ecRun #519c04ab45451DiffDiff%
Number of Function Calls305 306 1 0.3%
Incl. Wall Time (microsec)59,016 59,047 31 0.1%
Incl. Wall Time (microsec) per call 193 193 -1 -0.3%
Excl. Wall Time (microsec)1,438 1,432 -6 -0.4%
Incl. CPU (microsecs)59,343 59,370 27 0.0%
Incl. CPU (microsecs) per call 195 194 -1 -0.3%
Excl. CPU (microsec)1,590 1,574 -16 -1.0%
Incl. MemUse (bytes)1,212,636 1,212,632 -4 -0.0%
Incl. MemUse (bytes) per call 3,976 3,963 -13 -0.3%
Excl. MemUse (bytes)-9,492 -9,492 0 0.0%
Incl. PeakMemUse (bytes)975,976 976,044 68 0.0%
Incl. PeakMemUse (bytes) per call 3,200 3,190 -10 -0.3%
Excl. PeakMemUse (bytes)5,092 5,092 0 0.0%

Parent/Child Regression/Improvement report for class_exists [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
class_exists1 100.0% 31 5.0% 27 1.8% -4 -0.0% 68 0.4%
Exclusive Metrics Diff for Current Function-6 -19.4% -16 -59.3% 0 0.0% 0 0.0%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass0 0.0% 457 1474.2% 454 1681.5% 0 0.0% 72 105.9%
Drupal\Component\Datetime\DateTimePlus::canUseIntl0 0.0% -449 -1448.4% -454 -1681.5% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 63 203.2% 63 233.3% 0 0.0% 0 0.0%
Drupal\Core\Entity\EntityManager::getControllerClass0 0.0% -48 -154.8% -47 -174.1% -4 -100.0% -4 -5.9%
file_stream_wrapper_valid_scheme0 0.0% 3 9.7% 7 25.9% 0 0.0% 0 0.0%
file_stream_wrapper_get_instance_by_uri0 0.0% 3 9.7% 3 11.1% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::loadTemplate1 100.0% 2 6.5% 3 11.1% 0 0.0% 0 0.0%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% -1 -3.7% 0 0.0% 0 0.0%
Drupal\Core\Config\Context\ConfigContextFactory::get0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
_drupal_simpletest_conf_path0 0.0% 0 0.0% -1 -3.7% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\ClassLoader::loadClass0 N/A% 37 119.4% 43 159.3% -4 -100.0% 68 100.0%